build

Merge pull request #707 from NLeSC/pep-639 #228

Job	Run time
Run pip install (macos-latest, 3.12)	11s
Run pip install (windows-latest, 3.13)	52s
Run pip install (windows-latest, 3.14)	1m 0s
Run pip install (ubuntu-latest, 3.14)	20s
Run pip install (ubuntu-latest, 3.13)	18s
Run pip install (windows-latest, 3.12)	57s
Run pip install (ubuntu-latest, 3.12)	19s
Run pip install (macos-latest, 3.13)	14s
Run pip install (macos-latest, 3.14)	16s
	4m 27s

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